def test_registration_context():
def foo(a, b):
a / b
with on_test.registered(foo):
with pytest.raises(ZeroDivisionError):
on_test(a=5, b=0, c='c')
on_test(a=5, b=0, c='c')
def test_simple_signal_registration():
@on_test.register
def foo(a, b):
a / b
with pytest.raises(ZeroDivisionError):
on_test(a=5, b=0, c='c')
on_test.unregister(foo)
on_test(a=5, b=0, c='c')
def test_simple_signal_object_registration():
class Foo():
def on_test(self, a, b):
a / b
__init__ = register_object
f = Foo()
with pytest.raises(ZeroDivisionError):
on_test(a=5, b=0, c='c')
unregister_object(f)
def test_priorities_async():
l = []
import time
@on_test.register(asynchronous=True, priority=PRIORITIES.FIRST)
def first():
time.sleep(.05)
l.append(1)
@on_test.register(asynchronous=True, priority=PRIORITIES.LAST)
def last():
l.append(2)
on_test()
assert l == [1, 2]
def test_signal_weakref_complex_descriptors():
import gc
from easypy.lockstep import lockstep
class Foo:
@lockstep
def on_test(self, a, b):
a / b
foo = Foo()
register_object(foo)
with pytest.raises(ZeroDivisionError):
on_test(a=5, b=0, c='c')
del foo
gc.collect()
on_test(a=5, b=0, c='c')
def test_priorities():
l = []
@on_test.register(priority=PRIORITIES.LAST)
def last():
l.append(3)
@on_test.register(priority=PRIORITIES.FIRST)
def first():
l.append(1)
@on_test.register()
def mid():
l.append(2)
on_test()
assert l == [1, 2, 3]
def test_signal_weakref():
"""
Test that signals handlers of methods are deleted when their objects get collected
"""
import gc
class Foo:
def on_test(self, a, b):
a / b
foo = Foo()
register_object(foo)
with pytest.raises(ZeroDivisionError):
on_test(a=5, b=0, c='c')
del foo
gc.collect()
on_test(a=5, b=0, c='c')
def test_async():
from threading import get_ident
main = get_ident()
@on_test.register(asynchronous=True)
def a1():
assert get_ident() != main
@on_test.register()
def a2():
assert get_ident() == main
on_test()
on_test.asynchronous = True
@on_test.register() # follows the current setting
def a3():
assert get_ident() != main
on_test()
on_test.asynchronous = False
